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Finding the Fourth Proportional to 6,172.44, 8,518 and 3,377.94

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Solution

The fourth proportional to 6,172.44, 8,518 and 3,377.94 is: 4,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.44 : 8,518 = 3,377.94 : x
  2. Step 2: Convert to fraction form
    6,172.44/8,518 = 3,377.94/x
  3. Step 3: Cross multiply
    6,172.44x = 8,518 × 3,377.94
  4. Step 4: Simplify right side
    6,172.44x = 28,773,292.92
  5. Step 5: Solve for x
    x = 28,773,292.92/6,172.44
  6. Step 6: Final answer
    x = 4,661.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.